Tehuantepec Forecast

January 18, 2026, 9:01 am (UTC: -05:00)
Subject: Tehuantepec Forecast

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This forecast has not been reviewed. It was generated from an automatic model.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 30 TO 40
KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 15N94W TO 15N96W TO
13N95W TO 14N94W TO 15N94W N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0
M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N98W TO 13N99W TO
12N97W TO 13N93W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N TO NE WINDS 30 TO 45 KT. SEAS 4.0 TO 5.5 M.
ELSEWHERE WITHIN 15N93W TO 12N96W TO 13N99W TO 10N101W TO 09N97W
TO 10N94W TO 15N93W NE WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST WITHIN 16N95W TO 16N96W TO 14N96W TO 14N95W TO
15N94W TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
30 TO 40 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 16N94W TO 14N96W
TO 14N98W TO 13N98W TO 12N95W TO 14N94W TO 16N94W N TO NE WINDS
20 TO 30 KT. SEAS 2.5 TO 4.5 M. REMAINDER OF AREA WITHIN 13N93W
TO 15N96W TO 12N105W TO 05N100W TO 05N92W TO 07N90W TO 13N93W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.

.WITHIN 16N94W TO 16N95W TO 15N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 30 TO 40
KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 15N94W TO 15N96W TO
13N95W TO 14N94W TO 15N94W N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0
M.
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 14N98W TO 13N99W TO
12N97W TO 13N93W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... N TO NE WINDS 30 TO 45 KT. SEAS 4.0 TO 5.5 M.
ELSEWHERE WITHIN 15N93W TO 12N96W TO 13N99W TO 10N101W TO 09N97W
TO 10N94W TO 15N93W NE WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST WITHIN 16N95W TO 16N96W TO 14N96W TO 14N95W TO
15N94W TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS
30 TO 40 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 16N94W TO 14N96W
TO 14N98W TO 13N98W TO 12N95W TO 14N94W TO 16N94W N TO NE WINDS
20 TO 30 KT. SEAS 2.5 TO 4.5 M. REMAINDER OF AREA WITHIN 13N93W
TO 15N96W TO 12N105W TO 05N100W TO 05N92W TO 07N90W TO 13N93W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.

GULF OF TEHUANTEPEC GALE WARNING: STRONG HIGH PRESSURE BUILDING
ACROSS E MEXICO IN THE WAKE OF A GULF-OF-AMERICA-TRAVERSING COLD
FRONT IS INITIATING GALE-FORCE N GAP WINDS OVER THE GULF OF
TEHUANTEPEC. THIS GALE WILL BE PROLONGED - LIKELY LASTING
THROUGH TUE NIGHT - WITH A PEAK OF SEVERE GALE TOMORROW AFTERNOON
AND EVENING. PEAK SEAS OF AROUND 17 FT ARE POSSIBLE TONIGHT INTO
MON. SEAS ARE QUICKLY BUILDING THIS MORNING AND BE VERY ROUGH BY
SUN. MARINE INTERESTS TRANSITING ACROSS THE GULF OF TEHUANTEPEC
INTO THE MIDDLE PART OF THE WEEK SHOULD BE AWARE OF THESE GALE-
FORCE GAP WINDS AND TAKE THE NECESSARY ACTION TO AVOID HAZARDOUS
MARINE CONDITIONS OVER THE AFFECTED WATERS.
A RECENT SCATTEROMETER SATELLITE PASS CONFIRMED THE ONSET OF GALE
FORCE WINDS ACROSS THE GULF OF TEHUANTEPEC. OUTSIDE OF THE
TEHUANTEPEC AREA, GENTLE TO MODERATE WINDS AND MODERATE SEAS
PERSIST ACROSS THE MEXICAN OFFSHORE WATERS. SCATTERED SHOWERS AND
THUNDERSTORMS ARE ACTIVE NEAR SOCORRO ISLAND, ASSOCIATED WITH A
TROUGH IN THE AREA.
FOR THE FORECAST, HIGH PRESSURE NORTH OF THE AREA WILL SUPPORT
FRESH TO STRONG NE TO E WINDS IN THE PAPAGAYO REGION THROUGH AT
LEAST MID NEXT WEEK. THIS HIGH PRESSURE WILL ALSO FORCE MODERATE
TO FRESH N WINDS OVER THE GULF OF PANAMA FROM MON NIGHT INTO WED
NIGHT. ELSEWHERE, WINDS ARE MODERATE OR WEAKER OVER FORECAST
WATERS THROUGH MID NEXT WEEK. LARGE TO VERY LARGE NW TO N SWELL
GENERATED BY GALES OVER THE GULF OF TEHUANTEPEC WILL IMPACT THE
WATERS OFFSHORE GUATEMALA AND EL SALVADOR THROUGH WED.

SHORT-TERM TEHUANTEPEC
TODAY - NNW 37-46, Seas NNW 14.7-14.8 ft @ 8sec
TONITE - N 31-39, Seas NNW 17.6-17.6 ft @ 9sec
MONDAY - N 31-39, Seas NNW 17.6-17.6 ft @ 9sec
MONDAY NIGHT - N 24-30, Seas NNW 11.1-11.3 ft @ 8sec

LONG-TERM TEHUANTEPEC
TUESDAY - N 24-30, Seas NNW 11.1-11.3 ft @ 8sec
WEDNESDAY - N 25-31, Seas NNW 10.4-10.7 ft @ 8sec
THURSDAY - NNW 22-28, Seas SW 2.8-4.2 ft @ 14sec
FRIDAY - N 21-26, Seas SW 5.9-6.6 ft @ 14sec
SATURDAY - NNW 17-21, Seas N/A ?-? ft @ ?